Currently there are more than 15 bio-diesel producers who claim to have produced or will produce HVO in China, nine of them are planning to produce SAF (sustainable aviation fuel) as well. As for the HVO technology, some producers adopted the Fixed Bed Hydrofining Technology, some adopted the Slurry Bed Hydrotreating Technology, while some take both. Recently a new HVO producer in China adopted the Slurry Bed Hydrotreating & Fixed Bed Hydrofining Combination Technology offered by Professor Luo and his team at China University of Petroleum (https://english.upc.edu.cn/).
Professor Luo and his team have applied and obtained more than 14 patents regarding the HVO production in China. Please check the patent list below:
State Key Laboratory of Heavy Oil Processing of China University of Petroleum (East China) is one of the earliest institutions engaged in slurry bed hydrogenation process research at home and abroad. As early as 2006, the slurry bed hydrocracking technology of heavy oils independently developed by China University of Petroleum (East China) had completed the industrialization test of 50,000 tons/year in No.3 Oil Plant of Fushun Petrochemical Company of Petro China, and Professor Luo and his team designed another 300000 ton per year HVO project in North China recently with the Combination Technology of Slurry Bed Hydrocracking and Fixed Bed Hydrofining. Their related patent "A Hydrogenation Process Method for Producing High-quality Fuel from Medium-low Temperature Coal Tar" has applied for related international patents in 56 countries all over the world through 10 countries or international organizations, and has obtained authorization certificates from the United States, Japan, Australia, Europe, South Korea, Mongolia, India and other countries. The slurry bed hydrotreating & fixed bed hydrofining combined hydrogenation technology of this project comes from this method.
The process technical scheme of biodiesel hydrogenation unit is as follows:
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